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EIA: trends in downsized engine design leading to increased demand for higher-octane gasoline

Green Car Congress

Since 2013, the share of premium gasoline in total motor gasoline sales in the US has steadily increased to 11.3% One significant trend is engine downsizing coupled with turbocharging. Turbochargers work by using a turbine driven off the exhaust gas to pressurize the intake air. of new gasoline-fueled LDV sales.

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HyBoost demonstrator debuts at LCV2011; 50% by swept volume downsizing with low-cost electrification

Green Car Congress

Together the partners have sought to demonstrate an extremely cost-effective, ultra-efficient gasoline engine in a C-segment passenger car delivering the performance of a baseline 2.0-liter naturally aspirated four-cylinder gasoline engine has been replaced with a 1.0L Earlier post.). three-cylinder EcoBoost engine.

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Promising Delphi 1st-gen Gasoline Direct Injection Compression Ignition engine meeting ultra fuel efficient program targets

Green Car Congress

GDCI engine was significantly better than advanced production spark injection gasoline engines, and comparable to very efficient hybrid vehicle engines at their best efficiency conditions (214 g/kWh). This early work established that gasoline-like fuels with high resistance to autoignition are preferred for PPCI. Combustion stability.

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Pierburg GmbH electric compressor for turbos

Green Car Congress

Pierburg GmbH, part of the KSPG Group, has developed an electric compressor for spontaneously boosting the charge pressure of engines fitted with an exhaust-gas turbocharger. This component allows pressure to be increased regardless of the exhaust-gas energy availability.

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Hyundai showcasing new downsized turbo engines and 7-speed dual-clutch transmission; i40 48V Hybrid, i30 CNG

Green Car Congress

Hyundai Motor is showcasing two new turbocharged gasoline direct injected (T-GDI) engines at the Paris Motor Show 2014. liter T-GDI is the first of a new generation of small turbocharged gasoline engines, offering enhanced performance, driving pleasure and efficiency. New engines and transmission. Click to enlarge. liter and 1.4-liter

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Volkswagen introduces new 1L, 3-cylinder gasoline Golf; 54.7 mpg

Green Car Congress

mpg US) (99 g/km CO 2 )—more efficient than any previous Golf with a gasoline engine. The new TSI engine also offers the highest specific torque of any large-scale production series gasoline engines: 200 N·m per liter displacement. The turbocharged gasoline engine with its 10.5:1 The exhaust manifold of the 1.0

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Mazdas new SKYACTIV gasoline and diesel engines are steps on the road to its Ideal Engine; focus on compression ratio

Green Car Congress

the step-by-step introduction of electrification to SKYACTIV internal combustion engines: stop-start, followed by regenerative braking, followed by electric motor drive technologies. Ultimately, the compression ratio ended up playing a central role among these factors in both gasoline and diesel engines, although in different directions.

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